Toothbrush



FIG. 1 is a front elevation view of a toothbrush showing my design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side view thereof, the right side being a mirror image of the right side;

FIG. 4 is a front elevation view of an alternate design of the toothbrush, the shading denoting color tone;

FIG. 5 is a rear elevation view thereof, the shading denoting color tone; and,

FIG. 6 is a left side view thereof, the right side being a mirror image of the right side, the shading denoting color tone. 

CLAIM The ornamental design for a toothbrush, as shown and described. 